Insert for mold for forming concrete blocks



FIG. 1 a front elevational view of an insert for a mold for forming concrete blocks.

FIG. 2 is a top plan view of FIG. 1.

FIG. 3 is a right side elevational view of FIG. 1.

FIG. 4 is a left side elevational view of FIG. 1.

FIG. 5 is a bottom plan view of FIG. 1; and,

FIG. 6 is a rear elevational view of FIG. 1.

The broken lines immediately adjacent the shaded areas represent the bounds of the claim, and all other broken lines are included for the purpose of illustrating portions of the insert for a mold for forming concrete blocks that form no part of the claimed design. None of the broken lines form a part of the claimed design. 

The ornamental design for an insert for a mold for forming concrete blocks, as shown and described. 